The emotional design method is the inevitable trend of the development of home exercise bikes design. To meet the user's emotional need for home exercise bikes and improve the aesthetic and usability of it, the emotional design for home exercise bikes is carried out, which provides a new idea for the design of family fitness vehicle. The present situation of the existing household fitness car is investigated, analyzed and summarized. The emotional design is the theoretical basis, and the emotional design factors of the household fitness car are put forward from the instinctive level, the behavior level and the reflection level of the emotional design. On this basis, three level model of the emotional design of household fitness car is set up, and the redesign of the household fitness car is made in combination with the user's emotional needs of the household fitness car. The emotional design factors of household fitness car are summarized. With the guidance of design factors, a family fitness car is designed, which can not only meet the daily needs of the users, but also can get a good emotional experience in the process of use.